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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 1 data sheet SKY73070: 700 C 1000 mhz high gain and linearity single downconversion mixer applications ? 2g/3g base station transceivers: ? gsm/edge, cdma, umts/wcdma, iden ? land mobile radio ? ism band transceivers ? high performance radio links ? rf identification features ? operating frequency range: 700 to 1000 mhz ? if frequency range: 40 to 300 mhz ? conversion gain: 9.5 db ? input ip3: +27.0 dbm ? output ip3: +36.5 dbm ? noise figure: 8.3 db ? integrated lo driver ? integrated low loss rf balun ? high linearity if amplifier ? small, mcm (20-pin, 5 x 5 mm) pb-free package (msl3, 260 c per jedec j-std-020) skyworks offers lead (pb)-free rohs (restriction of hazardous substances) compliant packaging. description the SKY73070 is a fully integrated single mixer that includes a local oscillator (lo) driver, high linearity mixer, and large dynamic range intermediate frequency (if) amplifier. a low loss rf balun has also been included to reduce design complications and lower system cost. the SKY73070 features an input ip3 of +27.0 dbm and a noise figure (nf) of 8.3 db, making the device an ideal solution for high dynamic range systems such as 2g/3g base station transceivers. the SKY73070 is manufactured using a robust silicon bicmos process and has been designed for optimum long-term reliability. the SKY73070 single downconversion mixer is provided in a compact, 20-pin 5 x 5 mm multi-chip module (mcm). a functional block diagram is shown in figure 1. the pin configuration and package are shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1. s1080 rf lo vcc1_lo ifa+ rxif ifaC vcc_ifrf figure 1. SKY73070 block diagram
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 2 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 200716f s1081 v cc_ifrf rf n/c gnd gnd vcc1_lo n/c vcc2_lo n/c gnd 15 14 13 12 11 n/c gnd gnd n/c lo 1 2 3 4 5 67 8910 rxif if+ ifC gnd n/c 20 19 18 17 16 figure 2. SKY73070 pinout C 20-pin mcm table 1. SKY73070 signal descriptions pin # name description pin # name description 1 vcc_ifrf if and rf dc supply, +5v 11 lo lo input 2 rf rf input 12 n/c no connection 3 n/c no connection 13 gnd ground 4 gnd ground 14 gnd ground 5 gnd ground 15 n/c no connection 6 vcc1_lo dc supply for lo driver, +5v 16 n/c no connection 7 n/c no connection 17 gnd ground 8 vcc2_lo dc supply for lo buffer, +5v 18 ifC negative if output 9 n/c no connection 19 if + positive if output 10 gnd ground 20 rxif if bias adjust
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 3 functional description the SKY73070 is a high gain single mixer, optimized for base station receiver applications. the device consists of a low loss rf balun, high linearity passive mixer, and a low noise if amplifier. an lo amplifier is also included that allow the SKY73070 to connect directly to the output of a voltage controlled oscillator (vco). this eliminates the extra gain stages needed by most discrete passive mixers. rf balun and passive mixer the rf balun provides a single ended input, which can easily be matched to 50 ? using a simple external matching circuit. the rf balun offers very low loss, and excellent amplitude and phase balance. the high linearity SKY73070 is a passive, double balanced mixer that provides a very low conversion loss, and excellent 3 rd order input insertion point (iip3). additionally, the balanced nature of the mixer provides for high port-to-port isolation. lo buffer an lo buffer allows the input power of the SKY73070 to be in the range of 6 dbm. the lo section is optimized for high-side lo injection. however, the lo can be driven over a wide frequency range with only slight degradation in performance. if amplifier the SKY73070 includes a high dynamic range if amplifier that follows the passive mixer in the signal path. the outputs require a supply voltage connection using inductive chokes. these choke inductors should be high-q and have the ability to handle 200 ma or greater. a simple matching network allows the output ports to be matched to a balanced 200 ? impedance. the if amplifier is optimized for if frequencies between 40 and 300 mhz. the if amplifier can be operated outside of this range, but with a slight degradation in performance. electrical and mechanical specifications the absolute maximum ratings of the SKY73070 are provided in table 2 and the recommended operating conditions in table 3. electrical characteristics for the SKY73070 are provided in table 4. typical performance characteristics for the SKY73070 are illustrated in figures 3 through 18. table 2. SKY73070 absolute maximum ratings (note 1) parameter symbol minimum maximum units supply voltage, +5 v vcc 4.5 5.5 v supply current i cc 240 ma rf input power p rf +20.0 dbm lo input power p lo +20.0 dbm operating case temperature t c C40 +85 c junction temperature (note 2) t j +150 c storage case temperature t stg C40 +125 c note 1: exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with on ly one parameter set at the limit and all other parameters set at or below their nominal value. note 2 : nominal thermal resistance (juncti on to center ground pad) is 5.1 c/w.
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 4 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 200716f table 3. SKY73070 recommended operating conditions parameter symbol minimum typical maximum units supply voltage, +5 v vcc 4.75 5.00 5.25 v supply current i cc 210 ma lo input power p lo C6.0 0 +6.0 dbm operating case temperature t c C40 +85 c rf frequency range f rf 700 1000 mhz lo frequency range (note 1) f lo 900 1250 mhz if frequency range f if 40 300 mhz note 1 : the SKY73070 has been optimized for high-side lo injection. howeve r, the lo can be used outside of the specified frequency ra nge with degraded performance. table 4. SKY73070 electrical specifications (vcc = +5 v, t a = +25 c, lo = 0 dbm, rf frequency = 900 mhz, if frequency = 200 mhz, lo frequency = 1100 mhz, unless otherwise noted) parameter symbol test condi tion min typical max units conversion gain g f rf = 824 to 915 mhz, t a = 25 c, p lo = C3 to +3 dbm 8.2 9.5 db gain variation over temperature t a = C40 to +85 c 0.6 db noise figure nf t a = 25 c, p lo = C3 to +3 dbm, vcc = 4.75 to 5.25 v, if = 200 mhz 8.3 db noise figure variation over temperature t a = C40 to +85 c 0.8 db noise figure with a blocker signal nf blk blocking signal input power = +8 dbm 18 db third order input intercept point iip3 f rf = 900 mhz and 900.8 mhz, p rf = C10 dbm/tone, vcc = 4.75 to 5.25 v +24.7 +27.0 dbm input ip3 variation over temperature t a = C40 to +85 c 0.3 db third order output intercept point oip3 f rf = 900 mhz and 900.8 mhz, p rf = C10 dbm/tone, vcc = 4.75 to 5.25 v +36.5 dbm 2rf C 2lo 2x2 p rf = C10 dbm C68.5 C63 dbc 3rf C 3lo 3x3 p rf = C10 dbm C80 C70 dbc input 1 db compression point ip1db +11.0 +13.3 dbm output 1 db compression point op1db +22.8 dbm rf to if isolation 30 48 db lo leakage: @ rf port @ if port C59 C34 C20 C23 dbm dbm rf port input return loss z in _ rf with external matching components 14 db lo port input return loss z in _ lo with external matching components 14 db if port output return loss z out _ if with external matching components 14 db
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 5 8.0 8.5 9.0 10.0 7.5 7.0 6.5 6.0 9.5 10.5 11.0 824 839 854 869 884 899 91 4 rf frequency ( mhz ) gain (db) 4.75 v 5.00 v 5.25 v figure 3. gain vs frequency and supply voltage 8.0 8.5 9.0 10.0 7.5 7.0 6.5 6.0 9.5 10.5 11.0 824 839 854 869 884 899 91 4 rf frequency ( mhz ) gain (db) C3 dbm 0 dbm +3 dbm figure 5. gain vs frequency and lo power 8 9 10 12 7 6 5 4 11 13 14 824 839 854 869 884 899 91 4 rf frequency ( mhz ) noise figure (db) 4.75 v 5.00 v 5.25 v figure 7. noise figure vs frequency and supply voltage 8.0 8.5 9.0 10.0 7.5 7.0 6.5 6.0 9.5 10.5 11.0 824 839 854 869 884 899 91 4 rf frequency ( mhz ) gain (db) C40 o c +25 o c +85 o c figure 4. gain vs frequency and temperature 8 9 10 12 7 6 5 4 11 13 14 824 839 854 869 884 899 91 4 rf frequency ( mhz ) noise figure (db) C40 o c +25 o c +85 o c figure 6. noise figure vs frequency and temperature 8 9 10 12 7 6 5 4 11 13 14 824 839 854 869 884 899 91 4 rf frequency ( mhz ) noise figure (db) C3 dbm 0 dbm +3 dbm figure 8. noise figure vs frequency and lo power
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 6 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 200716f 24 25 26 28 23 22 21 20 27 29 30 824 839 854 869 884 899 91 4 rf frequency ( mhz ) iip3 (dbm) C40 o c +25 o c +85 o c figure 9. iip3 vs frequency and temperature 24 25 26 28 23 22 21 20 27 29 30 824 839 854 869 884 899 91 4 rf frequency ( mhz ) iip3 (dbm) C3 dbm 0 dbm +3 dbm figure 11. iip3 vs frequency and lo power 12 13 14 16 11 10 9 8 15 17 18 824 839 854 869 884 899 91 4 rf frequency ( mhz ) ip1db (dbm) 4.75 v 5.00 v 5.25 v figure 13. ip1db vs frequency and supply voltage 24 25 26 28 23 22 21 20 27 29 30 824 839 854 869 884 899 91 4 rf frequency ( mhz ) iip3 (dbm) 4.75 v 5.00 v 5.25 v figure 10. iip3 vs frequency and supply voltage 12 13 14 16 11 10 9 8 15 17 18 824 839 854 869 884 899 91 4 rf frequency ( mhz ) ip1db (dbm) C40 o c +25 o c +85 o c figure 12. ip1db vs frequency and temperature 12 13 14 16 11 10 9 8 15 17 18 824 839 854 869 884 899 91 4 rf frequency ( mhz ) ip1db (dbm) C3 dbm 0 dbm +3 dbm figure 14. ip1db vs frequency and lo power
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 7 C79 C75 C71 C63 C83 C87 C91 C95 C67 C59 C55 824 839 854 869 884 899 91 4 rf frequency ( mhz ) 2rf - 2lo (db) C40 o c +25 o c +85 o c figure 15. 2rf C 2lo vs frequency and temperature C37 C35 C33 C29 C39 C41 C43 C45 C31 C27 C25 824 839 854 869 884 899 91 4 rf frequency ( mhz ) lo to if leakage (dbm) C40 o c +25 o c +85 o c figure 17. lo to if leakage vs frequency and temperature 43 45 47 51 41 39 37 35 49 53 55 824 839 854 869 884 899 91 4 rf frequency ( mhz ) rf to if isolation (db) C40 o c +25 o c +85 o c figure 16. rf to if isolation vs frequency and temperature C60 C55 C50 C40 C65 C70 C75 C80 C45 C35 C30 824 839 854 869 884 899 91 4 rf frequency ( mhz ) lo to rf leakage (dbm) C40 o c +25 o c +85 o c figure 18. lo to rf leakage vs frequency and temperature evaluation board description the SKY73070 evaluation board is used to test the performance of the SKY73070 downconversion mixer. an assembly drawing for the evaluation board is shown in figure 19 and the layer detail is provided in figure 20. circuit design configurations the following design considerations are general in nature and must be followed regardless of final use or configuration: 1. paths to ground should be made as short and as low impedance as possible. 2. the ground pad of the SKY73070 provides critical electrical and thermal functionality. this pad is the main thermal conduit for heat dissipation. since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device. therefore, design the connection to the ground pad to dissipate the maximum heat produced by the circuit board. for more information on soldering the SKY73070, refer to the package and handling information section of this data sheet. 3. skyworks recommends including external bypass capacitors on the vcc voltage inputs of the device. 4. components l5 and l4 (see figure 21) are high-q, low loss inductors. these inductors must be able to pass currents in excess of 200 ma dc. 5. components r7 and r8 (see figure 21) allow for external adjustment of the if amplifier bias points. to reduce the if amplifier bias current, connect pin 20 to ground through external resistor r8. to increase the if amplifier bias current, connect pin 20 to vcc through external resistor r7. for operation as specified in tables 3 and 4, these resistors are not required. a schematic diagram for the SKY73070 evaluation board is shown in figure 21.
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 8 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 200716f s1083 j3 j8 j4 j1 j5 j9 note: this evaluation board is used for several different skyworks devices. components c4, c6, c8 through c13, c15 through c19, r3, r5, and l3 are not used for the device described by this data sheet. c17 c19 c20 c3 c2 c1 c5 c6 c8 c9 c4 c18 l3 l2 r5 r4 r3 l5 c16 c15 c13 c14 c11 c10 c7 r7 r8 r2 r1 u1 c12 r6 t2 l4 l1 j2 figure 19. SKY73070 evaluation board assembly diagram
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 9 s94 0 layer 1: top C metal layer 2: ground layer 3: power plane layer 4: solid ground plane figure 20. SKY73070 evaluation board layer detail
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 10 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to c hange without notice ? 200716f SKY73070 vcc vcc c1 0 c3 2.7 pf l1 3.3 pf c20 1 f vcc c7 33 pf r2 0 j3 c5 33 pf t2 1 2 3 4 6 j4 c2 15 nh l4 470 nh l5 470 nh r1 0 r8 dni r7 dni r6 0 c14 22 pf j5 l2 8.2 nh r4 0 s1082 vcc_ifrf rf n/c gnd gnd vcc1_lo n/c vcc2_lo n/c gnd 15 14 13 12 11 gnd n/c gnd n/c lo 1 2 3 4 5 67 8910 rxif if+ ifC gnd n/c 20 19 18 17 16 notes: values for all components are subject to change for matching purposes. some component labels may be different than the corresponding component symbol shown here. component values, however, are accurate as of the date of this data sheet. figure 21. SKY73070 evaluation board schematic
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 11 package dimensions figure 22 shows the package dimensions for the 20-pin mcm, and figure 23 provides the tape and reel dimensions. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY73070 is rated to moisture sensitivity level 3 (msl3) at 260 c. it can be used for lead or lead-free soldering. for additional information, refer to the skyworks application note, pcb design & smt assembly/rework guidelines for mcm-l packages , document number 101752. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format. for packaging details, refer to the skyworks application note, tape and reel , document number 101568. electrostatic discharge (esd) sensitivity the SKY73070 is a static-sensitive electronic device. do not operate or store near strong electrostatic fields. take proper esd precautions. pin 1 indicator 5 5 b c 0.15 a b c side view bottom view top view a 0.1 1.1 0.1 0 a 5x 4.8 0.2 x 0.2 3x r0.2 3 3 5x 4.8 pin 20 pin 1 pin 1 indicator (see detail b) 4x 1.3 4x 0.65 0 4x 1.3 4x 0.65 solder mask opening 20x smt pad 0.2 a b c a b c 0.15 metal pad edge 0.45 0.05 0.3 0.03 0.45 0.1 (0.1) detail a detail b all measurements are in millimeters. dimensioning and tolerancing according to asme y14.5m-1994. solder mask edges s944 figure 22. SKY73070 20-pin mcm package dimensions
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 12 january 21, 2008 ? skyworks proprietary and confidential information ? products and product information are subject to c hange without notice ? 200716f s461 notes: 1. carrier tape: black conductive polystyrene 2. cover tape material: transparent conductive psa 3. cover tape size: 9.3 mm width 4. esd surface resistivity is SKY73070 tape and reel dimensions
data sheet ? SKY73070 downconversion mixer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 200716f ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? january 21, 2008 13 ordering information model name manufacturing part numb er evaluation kit part number SKY73070 700-1000 mhz downconversion mixer SKY73070-11 (pb-free package) tw16-d660 copyright ? 2007, 2008 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information co ntained herein, are provided by skyworks as a service to its customers and may be used for info rmational purposes only by the cu stomer. skyworks assumes no res ponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. sk yworks makes no commitment to update the materials or information and shall have no responsi bility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by es toppel or otherwise, is granted to any in tellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merch antability, performance, quality or non-infringe ment of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accura cy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, wheth er or not the recipient of mat erials has been advised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyw orks customers using or selli ng skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications us ing skyworks products , which may deviate from published specifi cations as a result of design de fects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product de sign, or damage to any equipment resulting from the use of skyw orks products outsid e of stated published specifications or parameters. skyworks, the skyworks symbol, a nd breakthrough simplicity are trademarks or registered tradem arks of skyworks solutions, inc ., in the united states and othe r countries. third-party brands and names are for identification purposes only, and are the proper ty of their respective owners. additional information, includ ing relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.

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